2.1 Mathematical Words
If you work with story problems, you can’t always see which of the four operators you should use because all of the information is in word form.  You need to then figure out which of the operators you need to use by reading the text carefully.  It is really important because of this to know and understand those words that refer to these operators and which calculations you need to do.

Common words for addition and subtraction.


Usar,
emplear

To Use
Tim has 10kg rice at home and uses 2 kg for cooking.  How much does he have left?

Answer: 10 – 2 = 8 kg


Quitar, descontar

Deduct
Mary bought a computer for 17,500 kr. She may deduct 1,000 from the price. How much should she pay?

Answer: 17,500 – 1,000 = 16,500 kr


Restar,
sustraer

Take off
Leo bought rice for 700 kr. Because he bought so much he could take off 70 kr. How much should he pay?

Answer: 700 – 70 = 630 kr


Falta

Missing
A trip to the movies costs 85 kr. Ahmed has only 40 kr.  How much is missing for him to go to the movies?

Answer: 85 – 40 = 45 kr


Más,
más que

More
Carlos has 4 tv channels. When he puts up his satellite dish he gets 67 more TV-channels. How many channels does he have now?

Answer: 4 + 67 = 71 TV-channels


Menos

Fewer
A family has 87 TV-channels when they had a satellite dish. When they took down the dish, they had 70 fewer channels. How many channels do they have now?

Answer: 87 -70 = 17 TV-channels


Consumir,
gastar

Consume
A car consumes 1 liter of gasoline per ten kilometers. Between Stockholm and Uppsala there are 70 kilometers. How many liters are consumed?

Answer: 1 + 1 + 1 + 1 + 1 + 1 +1 = 7 liters


Gastarse,
usar,
consumir

To take
Juan presses a glass of orange juice. It takes 3 oranges for one glass. How many does he have left if he had 7 oranges? 

Answer: 7 – 3 = 4 oranges

Más corto,
más bajo

Shorter
Shaquille O´Neals foot is 41 cm. A normal foot is 10 cm shorter. How long is a normal foot?

Answer: 41 – 10 = 31 cm

Quedar

Left
Mary has a cash card worth 500 kr for her mobile. She calls for 200 kr. How much does she have left to call for?

Answer: 500 – 200 = 300 kr


Más largo,
más alto

Taller
Fredrik is 180 cm tall. The world’s tallest man is Robert J Waldow. He is 102 cm taller. How tall is he?

Answer: 180 + 102 = 282 cm


Menos pesado,
más ligero

Lighter
Maria weighs 68 kg. Sofia is 3 kg lighter than Maria. How much does Sofia weigh?

Answer: 68 – 3 = 65 kg


Disminuir,
bajar

Decrease
Sergey drives at 100 km/h. At a police check point he decreases his speed to 30 km/h. What is his new speed?

Answer: 100 - 30 = 70 km/h


Falta

Missing
In a class there are 30 students. Today there are 23 students at school. How many are missing?

Answer: 30 - 23 = 7 students


En total Total
Arsenal took 32 points during the fall and 44 points during the spring. How many points did they take in total?

Answer: 32 + 44 = 76 points

Diferencia Difference
When it is 7 o’clock in Stockholm it is 6 o’clock in London.  How big is the difference in time between Stockholm and London?

Answer: 7 -6 =1 hour

Disminuir,
reducir,
rebajar

To Lower
During the summer, businesses usually lower their prices. A sweater for 450 kr cost this past summer 350 kr. How much was the price lowered?

Answer: 450 – 350 = 100 kr


Quitar,
sacar

Take away
Marie earns 20,000 kr. From this she takes away 6,000 kr which she pays in taxes. How much does she have left?

Answer: 20,000 – 6,000 = 14,000 kr


Más,
añadir

More
Mary and Isabelle are going to have a party.  Mary has invited 25 people. Isabelle invites 10 more people. How many are invited to the party?

Answer: 25 + 10 = 35 people


Juntos,
en común

Together
Ibrahim has 3 siblings and Ahmed has 2 siblings.How many siblings do they have together?

Answer: 3 + 2 = 5 siblings


Total

Total
Ronaldinho made 8 goals during the fall and 15 goals during the spring league.How many goals did he make in total during the season?

Answer: 8 + 15 = 23 goals



Más pesado

Heavier
Tom weighs 87 kg. Jim is 7 kg heavier than Tom. How much does Jim weigh?

Answer: 87 + 7 = 94 kg

Otro más,
más

Additional
Fredrik is out jogging. He first runs 5 km, and then decides to run an additional 3 miles. How far has he run?

Answer: 5 + 3 = 8 km


Queda

Remaining
Ryan is going to take the subway to Kista. From the Central Station it is eight stops. When he gets to Hallonbergen, there is one stop remaining. How many stops has he passed?

Answer: 8 – 1 = 7 stops


Aumentar,
incrementar

Rises
In the morning, the temperature is 6ºC. During the day, the temperature rises by 4 ºC. What is the new temperature?

Answer: 6 + 4 = 10ºC

Mád de,
de más

Left
Solomon buys ice cream for 13 kr. How much does he have left if he had 20 kr?

Answer: 20 – 13 = 7 kr